Move ThreadWrapper to ProcessThread in base.

webrtc/test/frame_generator_capturer.h

Index: webrtc/test/frame_generator_capturer.h
diff --git a/webrtc/test/frame_generator_capturer.h b/webrtc/test/frame_generator_capturer.h
index aff906dfa25adbadeaf5c5ee58e6964319a2a9ca..73c97a69a6ae297b811ac90a411f0236435ef0e7 100644
--- a/webrtc/test/frame_generator_capturer.h
+++ b/webrtc/test/frame_generator_capturer.h
@@ -21,7 +21,7 @@ namespace webrtc {
 
 class CriticalSectionWrapper;
 class EventTimerWrapper;
-class ThreadWrapper;
+class PlatformThread;
 
 namespace test {
 
@@ -64,7 +64,7 @@ class FrameGeneratorCapturer : public VideoCapturer {
 
   rtc::scoped_ptr<EventTimerWrapper> tick_;
   rtc::CriticalSection lock_;
-  rtc::scoped_ptr<ThreadWrapper> thread_;
+  rtc::scoped_ptr<PlatformThread> thread_;
   rtc::scoped_ptr<FrameGenerator> frame_generator_;
 
   int target_fps_;